function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
     window.open(theURL,winName,features);
   }
   
   function Ver(){
    var avanzado = document.getElementById('advanced');
	var image = document.getElementById('ver');
	var accion = document.getElementById('action');
	if (avanzado.style.display == 'none'){
	  avanzado.style.display = 'inline';
	  image.src='../images/buttons/a_search_up.gif';
	  accion.value = 'advancedsearch';
	}
	else 
	{
	  avanzado.style.display = 'none'; 
	  image.src='../images/buttons/a_search_b.gif';
	  accion.value = 'search';
	}  
  }
  
  function ListItem(nombre, id, catid){
    this.nombre = nombre;
    this.id = id;
    this.catid = catid;
  } 
  
  function ClearList(){
    var subcategorias = document.getElementById('subcategories');
    subcategorias.options.length = 0;
  }
  
  function FilterSub(){
    ClearList();
	var subcategorias = document.getElementById('subcategories');
	var categorias = document.getElementById('categories');
	var newoption = new Option('None');
	subcategorias.options[0] = newoption;
	j=1;
    for (i=0;i<subcategory.length;i++){
      if (subcategory[i].catid == categorias.value){
        var newoption = new Option(subcategory[i].nombre);
        subcategorias.options[j] = newoption;
        subcategorias.options[j].value = subcategory[i].id; 
		j = j + 1;
      } 
    }    
  }
  
  function ClearCountry(){
    var countries = document.getElementById('country');
    countries.options.length = 0;
  }
  
  function FilterCountry(){
    ClearCountry();
	var countries = document.getElementById('country');
	var regions = document.getElementById('region');
	var newoption = new Option('Select Country');
	newoption.value = "";
	countries.options[0] = newoption;
	j=1;
    for (i=0;i<country.length;i++){
      if (country[i].catid == regions.value){
        var newoption = new Option(country[i].nombre);
        countries.options[j] = newoption;
        countries.options[j].value = country[i].id; 
		j = j + 1;
      } 
    }    
  }
  
  function ClearState(){
    var states = document.getElementById('state');
    states.options.length = 0;
  }
  
  function FilterState(){
    ClearState();
	var states = document.getElementById('state');
	var countries = document.getElementById('country');
	var newoption = new Option('Select State');
	newoption.value = "";
	states.options[0] = newoption;
	j=1;
    for (i=0;i<state.length;i++){
      if (state[i].catid == countries.value){
        var newoption = new Option(state[i].nombre);
        states.options[j] = newoption;
        states.options[j].value = state[i].id; 
		j = j + 1;
      } 
    }    
  }
  
  function AddOne(){
    var cat = MM_findObj('categories');
	var lista = MM_findObj('list');
	index = cat.selectedIndex;
    if (index != ""){
      var newoption = new Option(cat.options[index].text);
	  newoption.selected = true;
      lista.options[lista.length] = newoption;
      lista.options[lista.length - 1].value = cat.options[index].value;
    }  
  }

  function DeleteOne(){
    var lista = document.getElementById('list');
	var index = lista.selectedIndex;
    if (index > -1) lista.remove(index);
	for (i=0;i<lista.length;i++){
	  lista.options[i].selected = true;
	}
  }